Avalanche Forecast
Issued: Dec 13th, 2024 4:00PM
The alpine rating is Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeTravel in avalanche terrain is not recommended. Natural and human-triggered avalanches are likely.
Summary
Confidence
High
Avalanche Summary
No new avalanches have been reported this week, but avalanche activity is expected to increase as the snow piles up.
Snowpack Summary
Heavy snowfall will accumulate through Saturday.
The upper snowpack is likely a series of crusts with moist snow between. The lower snowpack is well-settled with no layers of concern.
Snow depths at treeline vary across Vancouver Island from 230 cm near Mt. Washington to 130 cm near Mt Cain. This current storm forecasts the highest precipitation amounts between Cambell River and Port Alberni.
Weather Summary
Friday night
Heavy snowfall, 20 to 40 cm of snow. 60 to 100 km/h south-southeast ridgetop wind. Treeline temperature -2 °C.
Saturday
Continued snow, 30 to 60 cm. 50 to 90 km/h south ridgetop wind. Treeline temperature -1 °C.
Sunday
Cloudy and unsettled. 40 to 60 km/h south ridgetop wind. Treeline temperature -4 °C.
Monday
Flurries, 15 cm. 30 km/h south ridgetop wind. Treeline temperature -1 °C.
More details can be found in the Mountain Weather Forecast.
Terrain and Travel Advice
- Avoid avalanche terrain during periods of heavy loading from new snow, wind, or rain.
- Watch for fresh storm slabs building throughout the day.
- As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
Problems
Storm Slabs
Heavy snowfall accumulating with strong to extreme winds will build a widespread and reactive storm slab problem.
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Dec 14th, 2024 4:00PM